A) slope is 7 for 1 and -7 for the other. These lines intersect in 1 point only
b) both equations have slope -2/3 and the same intercept, so it is really only one line...infinite solutions
c) parallel lines have 0 solutions
Answer:
6327
1827
2418
832
742
606
3248
2127
5436
203 X 4=812
Step-by-step explanation:
Answer:
X+y=30
X=30-y
Z=yx
Z=y(30-y)
D/dy
z=30–2y
At max 30–2y=0
2y=30 Y=15
Therefore x=15
Step-by-step explanation:
4u+3c-6 is thats what its asking for? just puting the same variables together